Door stop



FIG. 1 is a top view of the door stop, showing my new design.

FIG. 2 is a side view; the opposite side view is identical to the side view.

FIG. 3 is a end view; the front view is identical to the end view; and,

FIG. 4 is a cross sectional view. 

The ornamental design for the door stop, as shown and described. 